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4.ALARM
4.1 “BACKUP” (slow alarm)
When the UPS is working under “BACKUP” mode, the UPS would emit
audible alarm. The alarm stops when the UPS is return to “LINE” mode
operation.
ATTENTION:
The alarm of “BACKUP” is going to beep every 2 seconds.
(Slow-speed beep).
ATTENTION:
The UPS provides mute function for the warning. When the
beeping sound occurs, press "ON" to stop it; and press "ON" again to regain
the sound.
4.2 “LOW BATTERY” (rapid alarm)
In the “BACKUP” mode, when the energy of battery becomes to lower
level. (about 20%~30%) The UPS beeps rapidly until the UPS shuts
down from battery exhaustion or returns to “LINE” mode operation.
ATTENTION:
The alarm of the batteries caused by low voltage beeps every
0.5 second.
ATTENTION
: The rapid alarm under “LOW BATTERY” condition cannot be
muted.
4.3 “OVER LOAD” (continuous alarm)
When the UPS is working under overload condition (the connected
loads exceed the maximum rated capacity), the UPS will emit
continuous alarm to warn an overload condition. In order to protect the
unit and the loads, the UPS will be automatically turn off. Please
disconnect nonessential devices from UPS to eliminate the overload
alarm.
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APPENDIX A TROUBLE SHOOTING
PROBLEM
POSSIBLE CAUSE
ACTION TO TAKE
Power switch not pushed
or push-time too short
Press the power switch
more than 1 second
Battery voltage less than
10V
Recharge the UPS at least
6 hours
PCB failure
Call for service
UPS can not turn on LED
not light
Load less than 20W at
battery mode
Normal condition, “No load
shutdown function” is
active (See 3.2)
Power cord lose
Plug in the power cord
AC fuse burn out
Replace the AC fuse
Line voltage too high, too
low or black out
Normal condition
UPS always at battery
mode
PCB failure
Call for service
battery not fully charged
Recharge the UPS at least
6 hours
Back up time too short
PCB failure
Replace PCB, call for
service
Buzzer continuous beeping Overload
Remove some loads
